MTU 16V4000C21 - Page 68

Flash-
ing
code
PID SID FMI Description Maintenance tasks
77 95 1 Fuel filter differential pres-
sure too low.
Contact Service.
77 99 1 Oil filter differential pressure
too low.
Contact Service.
77 100 0 Engine oil pressure too high. Contact Service.
77 102 1 Charge-air pressure too low. Contact Service.
77 105 1 Inlet elbow temperature too
low.
Contact Service.
77 107 1 Air filter differential pressure
too low.
Contact Service.
77 108 0 Atmospheric pressure too
high.
Contact Service.
77 108 1 Atmospheric pressure too
low.
Contact Service.
77 109 0 Coolant pressure too high. Contact Service.
77 110 1 Coolant temperature too
low.
Contact Service.
77 111 0 Coolant level too high. 1. Check engine coolant level
(→ Page 116).
2. Contact Service.
77 171 0 Outside temperature too
high.
Contact Service.
77 171 1 Outside temperature too
low.
Contact Service.
77 172 1 Intake air temperature too
low.
Contact Service.
77 174 0 Fuel temperature too high. Contact Service.
77 174 1 Fuel temperature too low. Contact Service.
77 175 1 Engine oil temperature too
low.
Contact Service.
77 222 14 Theft protection faulty. Contact Service.
77 251 10 Clock module with irregular
alteration speed.
Contact Service.
77 251 13 Clock module faulty. Contact Service.
77 252 10 Clock module with irregular
alteration speed.
Contact Service.
77 252 13 Clock module faulty. Contact Service.
77 354 0 Relative air humidity above
range (version 33.0 or later).
Contact Service.
77 354 1 Relative air humidity under
range (version 33.0 or later).
Contact Service.
77 446 0 Cylinder head temperature
above range (version 33.0 or
later).
Contact Service.
68 | Troubleshooting | MS150049/04E 2017-04
TIM-ID: 0000003162 - 002